/*
* Copyright (c) 2020-2022, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
//!
//! \file     vp_fc_filter.cpp
//! \brief    Defines the common interface for denoise
//!           this file is for the base interface which is shared by all fc in driver.
//!
#include "vp_fc_filter.h"
#include "vp_render_cmd_packet.h"
#include "hw_filter.h"
#include "sw_filter_pipe.h"
#include "vp_hal_ddi_utils.h"
#include <vector>

namespace vp {

static MOS_STATUS IsChromaSamplingNeeded(bool &isChromaUpSamplingNeeded, bool &isChromaDownSamplingNeeded,
                                        VPHAL_SURFACE_TYPE surfType, int layerIndex,
                                        MOS_FORMAT inputFormat, MOS_FORMAT outputFormat);

bool PolicyFcHandler::s_forceNearestToBilinearIfBilinearExists = false;

VpFcFilter::VpFcFilter(PVP_MHWINTERFACE vpMhwInterface) :
    VpFilter(vpMhwInterface)
{

}

MOS_STATUS VpFcFilter::Init()
{
    VP_FUNC_CALL();

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::Prepare()
{
    VP_FUNC_CALL();

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::Destroy()
{
    VP_FUNC_CALL();

    if (m_renderFcParams)
    {
        MOS_FreeMemory(m_renderFcParams);
        m_renderFcParams = nullptr;
    }

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::SetExecuteEngineCaps(
    SwFilterPipe *executedPipe,
    VP_EXECUTE_CAPS vpExecuteCaps)
{
    VP_FUNC_CALL();

    m_executedPipe  = executedPipe;
    m_executeCaps   = vpExecuteCaps;

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::InitLayer(VP_FC_LAYER &layer, bool isInputPipe, int index, SwFilterPipe &executedPipe, VPHAL_SCALING_MODE defaultScalingMode)
{
    auto &surfGroup             = executedPipe.GetSurfacesSetting().surfGroup;

    SurfaceType surfId          = isInputPipe ? (SurfaceType)(SurfaceTypeFcInputLayer0 + index) : SurfaceTypeFcTarget0;
    layer.surf                  = surfGroup.find(surfId)->second;

    VP_PUBLIC_CHK_NULL_RETURN(layer.surf);

    layer.layerID               = index;
    layer.layerIDOrigin         = index;

    SwFilterScaling *scaling    = dynamic_cast<SwFilterScaling *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeScaling));
    layer.scalingMode           = scaling ? scaling->GetSwFilterParams().scalingMode : defaultScalingMode;
    layer.iscalingEnabled       = scaling ? ISCALING_INTERLEAVED_TO_INTERLEAVED == scaling->GetSwFilterParams().interlacedScalingType : false;
    layer.fieldWeaving          = scaling ? ISCALING_FIELD_TO_INTERLEAVED == scaling->GetSwFilterParams().interlacedScalingType : false;

    SwFilterRotMir *rotation    = dynamic_cast<SwFilterRotMir *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeRotMir));
    layer.rotation              = rotation ? rotation->GetSwFilterParams().rotation : VPHAL_ROTATION_IDENTITY;

    layer.useSampleUnorm        = false;    // Force using sampler16 (dscaler) when compute walker in use.
    layer.useSamplerLumakey     = false;    // Only available on AVS sampler.
    layer.iefEnabled            = false;    // IEF not supported by 3D sampler.

    layer.paletteID             = -1;       //!<Palette Allocation
    layer.queryVariance         = layer.surf->bQueryVariance;

    SwFilterDeinterlace *di     = dynamic_cast<SwFilterDeinterlace *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeDi));
    layer.diParams              = di ? di->GetSwFilterParams().diParams : nullptr;

    SwFilterLumakey *lumakey    = dynamic_cast<SwFilterLumakey *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeLumakey));
    layer.lumaKeyParams         = lumakey ? lumakey->GetSwFilterParams().lumaKeyParams : nullptr;

    SwFilterBlending *blending  = dynamic_cast<SwFilterBlending *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeBlending));
    layer.blendingParams        = blending ? blending->GetSwFilterParams().blendingParams : nullptr;
    layer.xorComp               = blending ? BLEND_XOR_MONO == blending->GetSwFilterParams().blendingParams->BlendType : false;

    SwFilterProcamp *procamp    = dynamic_cast<SwFilterProcamp *>(executedPipe.GetSwFilter(isInputPipe, index, FeatureType::FeatureTypeProcamp));
    layer.procampParams         = procamp ? procamp->GetSwFilterParams().procampParams : nullptr;

    surfId                      = (SurfaceType)(SurfaceTypeFcInputLayer0Field1Dual + index);

    auto it = surfGroup.find(surfId);
    if (surfGroup.end() == it)
    {
        layer.surfField = nullptr;
    }
    else
    {
        layer.surfField = surfGroup.find(surfId)->second;
    }

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::GetDefaultScalingMode(VPHAL_SCALING_MODE& defaultScalingMode,SwFilterPipe &executedPipe)
{
    bool isInited = false;
    // Select default scaling mode for 3D sampler.
    defaultScalingMode = VPHAL_SCALING_NEAREST;

    if (!PolicyFcHandler::s_forceNearestToBilinearIfBilinearExists)
    {
        return MOS_STATUS_SUCCESS;
    }

    for (uint32_t i = 0; i < executedPipe.GetSurfaceCount(true); ++i)
    {
        SwFilterScaling *scaling    = dynamic_cast<SwFilterScaling *>(executedPipe.GetSwFilter(true, i, FeatureType::FeatureTypeScaling));
        if (scaling &&
            (VPHAL_SCALING_NEAREST == scaling->GetSwFilterParams().scalingMode ||
            VPHAL_SCALING_BILINEAR == scaling->GetSwFilterParams().scalingMode))
        {
            if (isInited)
            {
                if (scaling->GetSwFilterParams().scalingMode != defaultScalingMode)
                {
                    VP_PUBLIC_ASSERTMESSAGE("Different 3D sampler scaling mode being selected!");
                    VP_PUBLIC_CHK_STATUS_RETURN(MOS_STATUS_INVALID_PARAMETER);
                }
            }
            else
            {
                defaultScalingMode = scaling->GetSwFilterParams().scalingMode;
                isInited = true;
            }
        }
    }

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::InitCompParams(VP_COMPOSITE_PARAMS &compParams, SwFilterPipe &executedPipe)
{
    MOS_ZeroMemory(&compParams, sizeof(compParams));
    auto &surfGroup = executedPipe.GetSurfacesSetting().surfGroup;
    compParams.sourceCount = executedPipe.GetSurfaceCount(true);

    if (SurfaceTypeFcInputLayer0 + compParams.sourceCount - 1 > SurfaceTypeFcInputLayerMax)
    {
        VP_RENDER_ASSERTMESSAGE("Invalid source count (%d)!", compParams.sourceCount);
        VP_RENDER_CHK_STATUS_RETURN(MOS_STATUS_INVALID_PARAMETER);
    }

    // Select default scaling mode for 3D sampler.
    VPHAL_SCALING_MODE defaultScalingMode = VPHAL_SCALING_NEAREST;
    VP_PUBLIC_CHK_STATUS_RETURN(GetDefaultScalingMode(defaultScalingMode, executedPipe));

    for (uint32_t i = 0; i < executedPipe.GetSurfaceCount(true); ++i)
    {
        VP_RENDER_CHK_STATUS_RETURN(InitLayer(compParams.source[i], true, i, executedPipe, defaultScalingMode));
    }

    compParams.targetCount = 1;
    VP_RENDER_CHK_STATUS_RETURN(InitLayer(compParams.target[0], false, 0, executedPipe, defaultScalingMode));

    SwFilterColorFill *colorFill        = dynamic_cast<SwFilterColorFill *>(executedPipe.GetSwFilter(false, 0, FeatureType::FeatureTypeColorFill));
    compParams.pColorFillParams         = colorFill ? colorFill->GetSwFilterParams().colorFillParams : nullptr;

    SwFilterAlpha *alpha                = dynamic_cast<SwFilterAlpha *>(executedPipe.GetSwFilter(false, 0, FeatureType::FeatureTypeAlpha));
    compParams.pCompAlpha               = alpha ? alpha->GetSwFilterParams().compAlpha : nullptr;
    // Enable alpha calculating
    compParams.bAlphaCalculateEnable    = alpha ? alpha->GetSwFilterParams().calculatingAlpha : false;

    VP_RENDER_CHK_STATUS_RETURN(CalculateCompParams(compParams));

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::CalculateCompParams(VP_COMPOSITE_PARAMS &compParams)
{
    int layerCount = 0;
    for (uint32_t i = 0; i < compParams.sourceCount; ++i)
    {
        VP_FC_LAYER *layer = &compParams.source[i];
        auto params = &layer->calculatedParams;
        auto params2 = &layer->calculatedParams2;

        VP_RENDER_CHK_STATUS_RETURN(CalculateConstantAlpha(params->alpha, *layer));

        if (layerCount != i)
        {
            compParams.source[layerCount] = *layer;
            layer = &compParams.source[layerCount];
            params = &layer->calculatedParams;
            params2 = &layer->calculatedParams2;
        }
        layer->layerIDOrigin = i;
        layer->layerID = layerCount++;

        VP_RENDER_CHK_STATUS_RETURN(CalculateScalingParams(layer, &compParams.target[0], params->fScaleX, params->fScaleY,
            params->fOffsetX, params->fOffsetY, params->fShiftX, params->fShiftY, params->clipedDstRect,
            params->isChromaUpSamplingNeeded, params->isChromaDownSamplingNeeded, params->samplerFilterMode,
            params2->fStepX, params2->fStepY));

        if (params->isChromaUpSamplingNeeded || params->isChromaDownSamplingNeeded)
        {
            if (!MEDIA_IS_WA(m_pvpMhwInterface->m_waTable, WaEnableDscale)                      ||
                (MEDIA_IS_WA(m_pvpMhwInterface->m_waTable, WaEnableDscale)                      &&
                 layer->scalingMode == VPHAL_SCALING_BILINEAR  &&
                 params->fScaleX >= (float)(1.0/3.0)                     &&
                 params->fScaleY >= (float)(1.0/3.0)))
            {
                params->chromaSitingEnabled = true;
            }
            else
            {
                params->chromaSitingEnabled = false;
            }
        }
        else
        {
            params->chromaSitingEnabled = false;
        }
    }

    compParams.sourceCount = layerCount;

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS VpFcFilter::CalculateConstantAlpha(uint16_t &alpha, VP_FC_LAYER &layer)
{
    alpha = 255;
    //-----------------------------------
    // Alpha blending optimization.
    // If Constant blending and one of the following is true, disable blending.
    // If Src+Constant blending and one of the following is true, fall back to Src blending.
    // Condition; alpha <= 0. Layer is 100% transparent.
    // Condition; alpha >= 1. Layer is 100% opaque.
    //-----------------------------------
    if (layer.blendingParams &&
        ((layer.blendingParams->BlendType == BLEND_CONSTANT) ||
         (layer.blendingParams->BlendType == BLEND_CONSTANT_SOURCE) ||
         (layer.blendingParams->BlendType == BLEND_CONSTANT_PARTIAL)))
    {
        float fAlpha = layer.blendingParams->fAlpha;

        // Don't render layer with alpha <= 0.0f
        if (fAlpha <= 0.0f)
        {
            // layer is not visible. Should not come to here as the transparent should
            // have been removed during PolicyFcHandler::LayerSelectForProcess.
            VP_RENDER_ASSERTMESSAGE("Transparent layer found, which is not expected in current function!");
            VP_RENDER_CHK_STATUS_RETURN(MOS_STATUS_INVALID_PARAMETER);
        }
        else
        {
            alpha  = (uint16_t) (255.0f * fAlpha);
        }

        VP_RENDER_NORMALMESSAGE("Layer %d: BlendType %d, fAlpha %d",
            layer.layerID,
            layer.blendingParams->BlendType,
            layer.blendingParams->fAlpha);

        if (fAlpha >= 1.0f || alpha >= 255)
        {
            if (layer.blendingParams->BlendType == BLEND_CONSTANT)
            {
                layer.blendingParams->BlendType = BLEND_NONE;
            }
            else // for BlendType == BLEND_CONSTANT_SOURCE
            {
                layer.blendingParams->BlendType = BLEND_SOURCE;
            }

            layer.blendingParams->fAlpha    = 1.0f;
            alpha = 255;
        }
    }
    return MOS_STATUS_SUCCESS;
}

// x,y scaling steps
// cropping
MOS_STATUS VpFcFilter::CalculateScalingParams(VP_FC_LAYER *layer, VP_FC_LAYER *target, float &fScaleX, float &fScaleY,
    float &fOffsetX, float &fOffsetY, float &fShiftX , float &fShiftY, RECT &clipedDstRect,
    bool &isChromaUpSamplingNeeded, bool &isChromaDownSamplingNeeded, MHW_SAMPLER_FILTER_MODE &samplerFilterMode,
    float &fStepX, float &fStepY)
{
    float       fDiScaleY = 1.0f;                          // BOB scaling factor for Y
    float       fCropX = 0, fCropY = 0;
    float samplerLinearBiasX = VP_SAMPLER_BIAS;     //!< Linear sampler bias X
    float samplerLinearBiasY = VP_SAMPLER_BIAS;     //!< Linear sampler bias Y

    VP_RENDER_CHK_NULL_RETURN(layer);
    VP_RENDER_CHK_NULL_RETURN(target);

    // x,y scaling factor
    fScaleX = 1.0;
    fScaleY = 1.0;

    fOffsetX = samplerLinearBiasX;
    fOffsetY = samplerLinearBiasY;

    // Source rectangle is pre-rotated, destination rectangle is post-rotated.
    if (layer->rotation == VPHAL_ROTATION_IDENTITY    ||
        layer->rotation == VPHAL_ROTATION_180         ||
        layer->rotation == VPHAL_MIRROR_HORIZONTAL    ||
        layer->rotation == VPHAL_MIRROR_VERTICAL)
    {
        fScaleX      = (float)(layer->surf->rcDst.right  - layer->surf->rcDst.left) /
                        (float)(layer->surf->rcSrc.right  - layer->surf->rcSrc.left);
        fScaleY      = (float)(layer->surf->rcDst.bottom - layer->surf->rcDst.top) /
                        (float)(layer->surf->rcSrc.bottom - layer->surf->rcSrc.top);
    }
    else
    {
        // VPHAL_ROTATION_90 || VPHAL_ROTATION_270 ||
        // VPHAL_ROTATE_90_MIRROR_HORIZONTAL || VPHAL_ROTATE_90_MIRROR_VERTICAL
        fScaleX      = (float)(layer->surf->rcDst.right  - layer->surf->rcDst.left) /
                        (float)(layer->surf->rcSrc.bottom  - layer->surf->rcSrc.top);
        fScaleY      = (float)(layer->surf->rcDst.bottom - layer->surf->rcDst.top) /
                        (float)(layer->surf->rcSrc.right - layer->surf->rcSrc.left);
    }


    // if 1:1 scaling and interlaced scaling or field weaving
    // do not adjust offsets since it uses Nearest sampling
    if (fScaleX == 1.0F &&
        fScaleY == 1.0F &&
        (layer->iscalingEnabled || layer->fieldWeaving))
    {
        fDiScaleY = 0.5f;
    }
    else
    {
        switch (layer->surf->SampleType)
        {
            case SAMPLE_INTERLEAVED_EVEN_FIRST_TOP_FIELD:
            case SAMPLE_INTERLEAVED_ODD_FIRST_TOP_FIELD:
                fDiScaleY = 0.5f;
                // don't break
            case SAMPLE_SINGLE_TOP_FIELD:
                fOffsetY += 0.25f;
                break;

            case SAMPLE_INTERLEAVED_EVEN_FIRST_BOTTOM_FIELD:
            case SAMPLE_INTERLEAVED_ODD_FIRST_BOTTOM_FIELD:
                fDiScaleY = 0.5f;
                // don't break
            case SAMPLE_SINGLE_BOTTOM_FIELD:
                fOffsetY -= 0.25f;
                break;

            case SAMPLE_PROGRESSIVE:
            default:
                fDiScaleY = 1.0f;
                break;
        }
    }

    // Normalize source co-ordinates using the width and height programmed
    // in surface state. step X, Y pre-rotated
    // Source rectangle is pre-rotated, destination rectangle is post-rotated.
    if (layer->rotation == VPHAL_ROTATION_IDENTITY    ||
        layer->rotation == VPHAL_ROTATION_180         ||
        layer->rotation == VPHAL_MIRROR_HORIZONTAL    ||
        layer->rotation == VPHAL_MIRROR_VERTICAL)
    {
        fStepX = ((layer->surf->rcSrc.right - layer->surf->rcSrc.left - fCropX) * 1.0f) /
                    ((layer->surf->rcDst.right - layer->surf->rcDst.left) > 0 ?
                    (layer->surf->rcDst.right - layer->surf->rcDst.left) : 1);
        fStepY = ((layer->surf->rcSrc.bottom - layer->surf->rcSrc.top - fCropY) * fDiScaleY) /
                    ((layer->surf->rcDst.bottom - layer->surf->rcDst.top) > 0 ?
                    (layer->surf->rcDst.bottom - layer->surf->rcDst.top) : 1);
    }
    else
    {
        // VPHAL_ROTATION_90 || VPHAL_ROTATION_270 ||
        // VPHAL_ROTATE_90_MIRROR_HORIZONTAL || VPHAL_ROTATE_90_MIRROR_VERTICAL
        fStepX = ((layer->surf->rcSrc.right - layer->surf->rcSrc.left - fCropX) * 1.0f) /
                    ((layer->surf->rcDst.bottom - layer->surf->rcDst.top) > 0 ?
                    (layer->surf->rcDst.bottom - layer->surf->rcDst.top) : 1);
        fStepY = ((layer->surf->rcSrc.bottom - layer->surf->rcSrc.top - fCropY) * fDiScaleY) /
                    ((layer->surf->rcDst.right - layer->surf->rcDst.left) > 0 ?
                    (layer->surf->rcDst.right - layer->surf->rcDst.left) : 1);
    }

    // Source sampling coordinates based on rcSrc
    fOffsetX += (layer->surf->rcSrc.left + fCropX / 2);
    fOffsetY += (layer->surf->rcSrc.top + fCropY / 2) * fDiScaleY;

    isChromaUpSamplingNeeded = false;
    isChromaDownSamplingNeeded = false;
    VP_PUBLIC_CHK_STATUS_RETURN(IsChromaSamplingNeeded(isChromaUpSamplingNeeded, isChromaDownSamplingNeeded,
                                                    layer->surf->SurfType, layer->layerID,
                                                    layer->surf->osSurface->Format, target->surf->osSurface->Format));

    if (VPHAL_SCALING_NEAREST == layer->scalingMode && (isChromaUpSamplingNeeded || isChromaDownSamplingNeeded))
    {
        VP_PUBLIC_NORMALMESSAGE("Scaling Info: Nearest scaling with isChromaUpSamplingNeeded (%d) and isChromaDownSamplingNeeded (%d)",
            isChromaUpSamplingNeeded, isChromaDownSamplingNeeded);
    }

    // Use 3D Nearest Mode only for 1x Scaling in both directions and only if the input is Progressive or interlaced scaling is used
    // In case of two or more layers, set Sampler State to Bilinear if any layer requires Bilinear
    // When primary surface needs chroma upsampling,
    // force to use 3D Bilinear Mode for 1x scaling for better quality
    samplerFilterMode = Get3DSamperFilterMode(layer->scalingMode);

    if (samplerFilterMode == MHW_SAMPLER_FILTER_NEAREST)
    {
        fShiftX  = 0.0f;
        fShiftY  = 0.0f;
    }
    else if (samplerFilterMode == MHW_SAMPLER_FILTER_BILINEAR)
    {
        fShiftX = VP_HW_LINEAR_SHIFT;  // Bilinear scaling shift
        fShiftY = VP_HW_LINEAR_SHIFT;
    }
    else
    {
        VP_PUBLIC_CHK_STATUS_RETURN(MOS_STATUS_INVALID_PARAMETER);
    }

    clipedDstRect = layer->surf->rcDst;
    uint32_t dwDestRectWidth  = target->surf->osSurface->dwWidth;
    uint32_t dwDestRectHeight = target->surf->osSurface->dwHeight;
    switch (layer->rotation)
    {
        case VPHAL_ROTATION_IDENTITY:
            // Coordinate adjustment for render target coordinates (0,0)
            fShiftX  -= layer->surf->rcDst.left;
            fShiftY  -= layer->surf->rcDst.top;
            break;
        case VPHAL_ROTATION_90:
            // Coordinate adjustment for 90 degree rotation
            fShiftX  -= (float)layer->surf->rcDst.top;
            fShiftY  -= (float)dwDestRectWidth -
                        (float)(layer->surf->rcSrc.bottom - layer->surf->rcSrc.top) * fScaleX -
                        (float)layer->surf->rcDst.left;
            break;
        case VPHAL_ROTATION_180:
            // Coordinate adjustment for 180 degree rotation
            fShiftX  -= (float)dwDestRectWidth -
                        (float)(layer->surf->rcSrc.right - layer->surf->rcSrc.left) * fScaleX -
                        (float)layer->surf->rcDst.left;
            fShiftY  -= (float)dwDestRectHeight -
                        (float)(layer->surf->rcSrc.bottom - layer->surf->rcSrc.top) * fScaleY -
                        (float)layer->surf->rcDst.top;
            break;
        case VPHAL_ROTATION_270:
            // Coordinate adjustment for 270 degree rotation
            fShiftX  -= (float)dwDestRectHeight -
                        (float)(layer->surf->rcSrc.right - layer->surf->rcSrc.left) * fScaleY -
                        (float)layer->surf->rcDst.top;
            fShiftY  -= (float)layer->surf->rcDst.left;
            break;
        case VPHAL_MIRROR_HORIZONTAL:
            // Coordinate adjustment for horizontal mirroring
            fShiftX  -= (float)dwDestRectWidth -
                        (float)(layer->surf->rcSrc.right - layer->surf->rcSrc.left) * fScaleX -
                        (float)layer->surf->rcDst.left;
            fShiftY  -= layer->surf->rcDst.top;
            break;
        case VPHAL_MIRROR_VERTICAL:
            // Coordinate adjustment for vertical mirroring
            fShiftX  -= layer->surf->rcDst.left;
            fShiftY  -= (float)dwDestRectHeight -
                        (float)(layer->surf->rcSrc.bottom - layer->surf->rcSrc.top) * fScaleY -
                        (float)layer->surf->rcDst.top;
            break;
        case VPHAL_ROTATE_90_MIRROR_HORIZONTAL:
            // Coordinate adjustment for rotating 90 and horizontal mirroring
            fShiftX  -= (float)layer->surf->rcDst.top;
            fShiftY  -= (float)layer->surf->rcDst.left;
            break;
        case VPHAL_ROTATE_90_MIRROR_VERTICAL:
        default:
            // Coordinate adjustment for rotating 90 and vertical mirroring
            fShiftX  -= (float)dwDestRectHeight -
                        (float)(layer->surf->rcSrc.right - layer->surf->rcSrc.left) * fScaleY -
                        (float)layer->surf->rcDst.top;
            fShiftY  -= (float)dwDestRectWidth -
                        (float)(layer->surf->rcSrc.bottom - layer->surf->rcSrc.top) * fScaleX -
                        (float)layer->surf->rcDst.left;
            break;
    } // switch

    if (layer->xorComp)
    {
        // for cursor layer, every bit indicate 1 pixel. should extend the width as real output pixel.
        clipedDstRect.right =
            clipedDstRect.left + (clipedDstRect.right - clipedDstRect.left) * 8;
    }

    return MOS_STATUS_SUCCESS;
}

MHW_SAMPLER_FILTER_MODE VpFcFilter::Get3DSamperFilterMode(VPHAL_SCALING_MODE scalingMode)
{
    return (VPHAL_SCALING_NEAREST == scalingMode) ? MHW_SAMPLER_FILTER_NEAREST : MHW_SAMPLER_FILTER_BILINEAR;
}

MOS_STATUS VpFcFilter::CalculateEngineParams()
{
    VP_FUNC_CALL();
    if (m_executeCaps.bRender)
    {
        // create a filter Param buffer
        if (!m_renderFcParams)
        {
            m_renderFcParams = (PRENDER_FC_PARAMS)MOS_AllocAndZeroMemory(sizeof(RENDER_FC_PARAMS));

            if (m_renderFcParams == nullptr)
            {
                VP_PUBLIC_ASSERTMESSAGE("render fc Pamas buffer allocate failed, return nullpointer");
                return MOS_STATUS_NO_SPACE;
            }
        }
        else
        {
            MOS_ZeroMemory(m_renderFcParams, sizeof(RENDER_FC_PARAMS));
        }

        m_renderFcParams->kernelId           = kernelCombinedFc;
        InitCompParams(m_renderFcParams->compParams, *m_executedPipe);
    }
    else
    {
        VP_PUBLIC_ASSERTMESSAGE("Wrong engine caps! Vebox should be used for Dn");
    }
    return MOS_STATUS_SUCCESS;
}


/****************************************************************************************************/
/*                                   HwFilter Fc Parameter                                          */
/****************************************************************************************************/
HwFilterParameter *HwFilterFcParameter::Create(HW_FILTER_FC_PARAM &param, FeatureType featureType)
{
    VP_FUNC_CALL();

    HwFilterFcParameter *p = MOS_New(HwFilterFcParameter, featureType);
    if (p)
    {
        if (MOS_FAILED(p->Initialize(param)))
        {
            MOS_Delete(p);
            return nullptr;
        }
    }
    return p;
}

HwFilterFcParameter::HwFilterFcParameter(FeatureType featureType) : HwFilterParameter(featureType)
{
}

HwFilterFcParameter::~HwFilterFcParameter()
{
}

MOS_STATUS HwFilterFcParameter::ConfigParams(HwFilter &hwFilter)
{
    VP_FUNC_CALL();

    return hwFilter.ConfigParam(m_Params);
}

MOS_STATUS HwFilterFcParameter::Initialize(HW_FILTER_FC_PARAM &param)
{
    VP_FUNC_CALL();

    m_Params = param;
    return MOS_STATUS_SUCCESS;
}

/****************************************************************************************************/
/*                                   Packet Fc Parameter                                       */
/****************************************************************************************************/
VpPacketParameter *VpRenderFcParameter::Create(HW_FILTER_FC_PARAM &param)
{
    VP_FUNC_CALL();

    if (nullptr == param.pPacketParamFactory)
    {
        return nullptr;
    }
    VpRenderFcParameter *p = dynamic_cast<VpRenderFcParameter *>(param.pPacketParamFactory->GetPacketParameter(param.pHwInterface));
    if (p)
    {
        if (MOS_FAILED(p->Initialize(param)))
        {
            VpPacketParameter *pParam = p;
            param.pPacketParamFactory->ReturnPacketParameter(pParam);
            return nullptr;
        }
    }
    return p;
}

VpRenderFcParameter::VpRenderFcParameter(PVP_MHWINTERFACE pHwInterface, PacketParamFactoryBase *packetParamFactory) :
    VpPacketParameter(packetParamFactory), m_fcFilter(pHwInterface)
{
}
VpRenderFcParameter::~VpRenderFcParameter() {}

bool VpRenderFcParameter::SetPacketParam(VpCmdPacket *pPacket)
{
    VP_FUNC_CALL();

    VpRenderCmdPacket *renderPacket = dynamic_cast<VpRenderCmdPacket *>(pPacket);
    if (nullptr == renderPacket)
    {
        return false;
    }

    PRENDER_FC_PARAMS params = m_fcFilter.GetFcParams();
    if (nullptr == params)
    {
        return false;
    }
    return MOS_SUCCEEDED(renderPacket->SetFcParams(params));
}

MOS_STATUS VpRenderFcParameter::Initialize(HW_FILTER_FC_PARAM &params)
{
    VP_FUNC_CALL();

    VP_PUBLIC_CHK_STATUS_RETURN(m_fcFilter.Init());
    VP_PUBLIC_CHK_STATUS_RETURN(m_fcFilter.SetExecuteEngineCaps(params.executedPipe, params.vpExecuteCaps));
    VP_PUBLIC_CHK_STATUS_RETURN(m_fcFilter.CalculateEngineParams());
    return MOS_STATUS_SUCCESS;
}

/****************************************************************************************************/
/*                                   Policy FC Feature Handler                                      */
/****************************************************************************************************/

MOS_STATUS PolicyFcFeatureHandler::UpdateFeaturePipe(VP_EXECUTE_CAPS caps, SwFilter &feature, SwFilterPipe &featurePipe, SwFilterPipe &executePipe, bool isInputPipe, int index)
{
    VP_FUNC_CALL();

    FeatureType type = feature.GetFeatureType();

    if (caps.bRenderHdr)
    {
        // HDR Kernel
        return PolicyFeatureHandler::UpdateFeaturePipe(caps, feature, featurePipe, executePipe, isInputPipe, index);
    }
    else
    {
        // FC
        if (FeatureTypeLumakeyOnRender      == type ||
            FeatureTypeBlendingOnRender     == type ||
            FeatureTypeAlphaOnRender        == type ||
            FeatureTypeCscOnRender          == type ||
            FeatureTypeScalingOnRender      == type ||
            FeatureTypeRotMirOnRender       == type ||
            FeatureTypeDiOnRender           == type ||
            FeatureTypeProcampOnRender      == type)
        {
            return PolicyFeatureHandler::UpdateFeaturePipe(caps, feature, featurePipe, executePipe, isInputPipe, index);
        }
        else if(FeatureTypeColorFillOnRender == type)
        {
            // Only apply color fill on 1st pass.
            featurePipe.RemoveSwFilter(&feature);
            executePipe.AddSwFilterUnordered(&feature, isInputPipe, index);
        }
        else
        {
            VP_PUBLIC_CHK_STATUS_RETURN(MOS_STATUS_INVALID_PARAMETER);
        }
    }

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS PolicyFcFeatureHandler::UpdateUnusedFeature(VP_EXECUTE_CAPS caps, SwFilter &feature, SwFilterPipe &featurePipe, SwFilterPipe &executePipe, bool isInputPipe, int index)
{
    // feature.GetFilterEngineCaps().bEnabled should be used here instead of feature.IsFeatureEnabled(caps)
    // to ensure the feature does not be enabled.
    // feature.IsFeatureEnabled(caps) being false means the feature is not being used in current workload,
    // in which case, the feature itself may be enable and need be processed in following workloads.
    if (0 == caps.bOutputPipeFeatureInuse &&
        !feature.GetFilterEngineCaps().bEnabled &&
        (feature.GetFilterEngineCaps().forceEnableForSfc ||
         feature.GetFilterEngineCaps().forceEnableForFc))
    {
        // To avoid filter being destroyed in Policy::UpdateFeaturePipe.
        feature.GetFilterEngineCaps().usedForNextPass = 1;
    }
    return MOS_STATUS_SUCCESS;
}

/****************************************************************************************************/
/*                                   Policy FC Handler                                              */
/****************************************************************************************************/
PolicyFcHandler::PolicyFcHandler(VP_HW_CAPS &hwCaps) : PolicyFeatureHandler(hwCaps)
{
    m_Type = FeatureTypeFc;
}
PolicyFcHandler::~PolicyFcHandler()
{
}

bool PolicyFcHandler::IsFeatureEnabled(VP_EXECUTE_CAPS vpExecuteCaps)
{
    VP_FUNC_CALL();

    return vpExecuteCaps.bComposite;
}

HwFilterParameter* PolicyFcHandler::CreateHwFilterParam(VP_EXECUTE_CAPS vpExecuteCaps, SwFilterPipe& swFilterPipe, PVP_MHWINTERFACE pHwInterface)
{
    VP_FUNC_CALL();

    if (IsFeatureEnabled(vpExecuteCaps))
    {
        HW_FILTER_FC_PARAM param = {};
        param.type = m_Type;
        param.pHwInterface = pHwInterface;
        param.vpExecuteCaps = vpExecuteCaps;
        param.pPacketParamFactory = &m_PacketParamFactory;
        param.executedPipe = &swFilterPipe;
        param.pfnCreatePacketParam = PolicyFcHandler::CreatePacketParam;

        HwFilterParameter *pHwFilterParam = GetHwFeatureParameterFromPool();

        if (pHwFilterParam)
        {
            if (MOS_FAILED(((HwFilterFcParameter*)pHwFilterParam)->Initialize(param)))
            {
                ReleaseHwFeatureParameter(pHwFilterParam);
            }
        }
        else
        {
            pHwFilterParam = HwFilterFcParameter::Create(param, m_Type);
        }

        return pHwFilterParam;
    }
    else
    {
        return nullptr;
    }
}

MOS_STATUS PolicyFcHandler::UpdateFeaturePipe(VP_EXECUTE_CAPS caps, SwFilter &feature, SwFilterPipe &featurePipe, SwFilterPipe &executePipe, bool isInputPipe, int index)
{
    VP_FUNC_CALL();
    VP_PUBLIC_ASSERTMESSAGE("Should not coming here!");
    return MOS_STATUS_SUCCESS;
}

bool IsInterlacedInputSupported(VP_SURFACE &input)
{
    // The parameter YOffset of surface state should be
    // a multiple of 4 when the input is accessed in field mode.For interlaced NV12
    // input, if its height is not a multiple of 4, the YOffset of UV plane will not
    // be a multiple of 4.So under this condition, we treat it as progressive input.
    return MOS_IS_ALIGNED(MOS_MIN((uint32_t)input.osSurface->dwHeight, (uint32_t)input.rcMaxSrc.bottom), 4) || input.osSurface->Format != Format_NV12;
}

bool IsBobDiEnabled(SwFilterDeinterlace *di, VP_SURFACE &input)
{
    if (nullptr == di || di->GetFilterEngineCaps().bEnabled == false)
    {
        return false;
    }

    return IsInterlacedInputSupported(input);
}

static MOS_STATUS IsChromaSamplingNeeded(bool &isChromaUpSamplingNeeded, bool &isChromaDownSamplingNeeded,
                                VPHAL_SURFACE_TYPE surfType, int layerIndex,
                                MOS_FORMAT inputFormat, MOS_FORMAT outputFormat)
{
    VPHAL_COLORPACK srcColorPack = VpHalDDIUtils::GetSurfaceColorPack(inputFormat);
    VPHAL_COLORPACK dstColorPack = VpHalDDIUtils::GetSurfaceColorPack(outputFormat);

    if (SURF_IN_PRIMARY == surfType                         &&
        // when 3D sampler been used, PL2 chromasitting kernel does not support sub-layer chromasitting
        ((IS_PL2_FORMAT(inputFormat) && 0 == layerIndex)    ||
        inputFormat == Format_YUY2))
    {
        isChromaUpSamplingNeeded   = ((srcColorPack == VPHAL_COLORPACK_420 &&
                                    (dstColorPack == VPHAL_COLORPACK_422 || dstColorPack == VPHAL_COLORPACK_444)) ||
                                    (srcColorPack == VPHAL_COLORPACK_422 && dstColorPack == VPHAL_COLORPACK_444));
        isChromaDownSamplingNeeded = ((srcColorPack == VPHAL_COLORPACK_444 &&
                                    (dstColorPack == VPHAL_COLORPACK_422 || dstColorPack == VPHAL_COLORPACK_420)) ||
                                    (srcColorPack == VPHAL_COLORPACK_422 && dstColorPack == VPHAL_COLORPACK_420));
    }
    else
    {
        isChromaUpSamplingNeeded   = false;
        isChromaDownSamplingNeeded = false;
    }

    return MOS_STATUS_SUCCESS;
}

static MOS_STATUS Get3DSamplerScalingMode(VPHAL_SCALING_MODE &scalingMode, SwFilterSubPipe& pipe, int layerIndex, VP_SURFACE &input, VP_SURFACE &output)
{
    bool isChromaUpSamplingNeeded = false;
    bool isChromaDownSamplingNeeded = false;
    VP_PUBLIC_CHK_STATUS_RETURN(IsChromaSamplingNeeded(isChromaUpSamplingNeeded, isChromaDownSamplingNeeded,
                                input.SurfType, layerIndex,
                                input.osSurface->Format, output.osSurface->Format));

    SwFilterScaling *scaling = dynamic_cast<SwFilterScaling *>(pipe.GetSwFilter(FeatureType::FeatureTypeScaling));

    bool iscalingEnabled       = scaling ? ISCALING_INTERLEAVED_TO_INTERLEAVED == scaling->GetSwFilterParams().interlacedScalingType : false;
    bool fieldWeaving          = scaling ? ISCALING_FIELD_TO_INTERLEAVED == scaling->GetSwFilterParams().interlacedScalingType : false;

    // The rectangle in VP_SURFACE contains the rotation information.
    // The rectangle in ScalingFilter has been adjusted based on the rotation,
    // which can be used directly here.
    bool isScalingNeeded = false;
    if (scaling)
    {
        auto &scalingParamsInput = scaling->GetSwFilterParams().input;
        isScalingNeeded = (scalingParamsInput.rcDst.right - scalingParamsInput.rcDst.left)
        != (scalingParamsInput.rcSrc.right - scalingParamsInput.rcSrc.left) ||
        (scalingParamsInput.rcDst.bottom - scalingParamsInput.rcDst.top)
        != (scalingParamsInput.rcSrc.bottom - scalingParamsInput.rcSrc.top);
    }
    else
    {
        isScalingNeeded = false;
    }

    if (!isScalingNeeded                                                                    &&
        !isChromaUpSamplingNeeded                                                           &&
        !isChromaDownSamplingNeeded                                                         &&
        (input.SampleType == SAMPLE_PROGRESSIVE || iscalingEnabled || fieldWeaving))
    {
        scalingMode = VPHAL_SCALING_NEAREST;
    }
    else
    {
        scalingMode = VPHAL_SCALING_BILINEAR;
    }

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS PolicyFcHandler::AddInputLayerForProcess(bool &bSkip, std::vector<int> &layerIndexes, VPHAL_SCALING_MODE &scalingMode,
    int index, VP_SURFACE &input, SwFilterSubPipe& pipe, VP_SURFACE &output, VP_EXECUTE_CAPS& caps)
{
    bSkip = false;
    --m_resCounter.layers;

    if (VPHAL_PALETTE_NONE != input.Palette.PaletteType)
    {
        --m_resCounter.palettes;
    }
    
    SwFilterProcamp *procamp = dynamic_cast<SwFilterProcamp *>(pipe.GetSwFilter(FeatureType::FeatureTypeProcamp));
    if (procamp && procamp->IsFeatureEnabled(caps)  &&
        procamp->GetSwFilterParams().procampParams  &&
        procamp->GetSwFilterParams().procampParams->bEnabled)
    {
        --m_resCounter.procamp;
    }

    SwFilterLumakey *lumakey = dynamic_cast<SwFilterLumakey *>(pipe.GetSwFilter(FeatureType::FeatureTypeLumakey));
    if (lumakey)
    {
        --m_resCounter.lumaKeys;
        if (m_resCounter.lumaKeys < 0 || layerIndexes.size() > 1)
        {
            bSkip = true;
            VP_PUBLIC_NORMALMESSAGE("Scaling Info: layer %d is not selected. lumaKeys %d, layerIndexes.size() %d",
                index, m_resCounter.lumaKeys, layerIndexes.size());
            return MOS_STATUS_SUCCESS;
        }
        if (layerIndexes.size() == 1)
        {
            m_resCounter.sampler = VP_COMP_MAX_SAMPLER;
        }
    }

    SwFilterScaling *scaling = dynamic_cast<SwFilterScaling *>(pipe.GetSwFilter(FeatureType::FeatureTypeScaling));
    SwFilterDeinterlace *di = dynamic_cast<SwFilterDeinterlace *>(pipe.GetSwFilter(FeatureType::FeatureTypeDi));
    VPHAL_SAMPLE_TYPE sampleType = input.SampleType;
    bool samplerLumakeyEnabled = m_hwCaps.m_rules.isAvsSamplerSupported;

    if (nullptr == scaling)
    {
        VP_PUBLIC_ASSERTMESSAGE("Scaling Info: Scaling filter does not exist on layer %d!", index);
        VP_PUBLIC_CHK_NULL_RETURN(scaling);
    }

    scalingMode = scaling->GetSwFilterParams().scalingMode;

    // Disable AVS scaling mode
    if (!m_hwCaps.m_rules.isAvsSamplerSupported)
    {
        if (VPHAL_SCALING_AVS == scalingMode)
        {
            scalingMode = VPHAL_SCALING_BILINEAR;
        }
    }

    if (!IsInterlacedInputSupported(input))
    {
        sampleType = SAMPLE_PROGRESSIVE;
        // Disable DI
        if (di && di->IsFeatureEnabled(caps))
        {
            di->GetFilterEngineCaps().bEnabled = false;
        }
        // Disable Iscaling
        if (scaling->IsFeatureEnabled(caps) &&
            ISCALING_NONE != scaling->GetSwFilterParams().interlacedScalingType)
        {
            scaling->GetSwFilterParams().interlacedScalingType = ISCALING_NONE;
        }
    }

    // Number of AVS, but lumaKey and BOB DI needs 3D sampler instead of AVS sampler.
    if (VPHAL_SCALING_AVS == scalingMode &&
        nullptr == lumakey && !IsBobDiEnabled(di, input))
    {
        --m_resCounter.avs;
    }
    // Number of Sampler filter mode, we had better only support Nearest or Bilinear filter in one phase
    // If two filters are used together, the later filter overwrite the first and cause output quality issue.
    else
    {
        VP_PUBLIC_CHK_STATUS_RETURN(Get3DSamplerScalingMode(scalingMode, pipe, layerIndexes.size(), input, output));

        // If bilinear needed for one layer, it will also be used by other layers.
        // nearest only be used if it is used by all layers.
        int32_t samplerMask = (VP_COMP_SAMPLER_BILINEAR | VP_COMP_SAMPLER_NEAREST);

        // Use sampler luma key feature only if this is not the bottom most layer
        if (samplerLumakeyEnabled && lumakey && layerIndexes.size() > 0 && !IS_PL3_FORMAT(input.osSurface->Format))
        {
            m_resCounter.sampler &= VP_COMP_SAMPLER_LUMAKEY;
        }
        else if (m_resCounter.sampler & samplerMask)
        {
            m_resCounter.sampler &= samplerMask;
        }
        else
        {
            // switch to AVS if AVS sampler is not used, decrease the count of comp phase
            // For isAvsSamplerSupported == false case, curent layer will be rejected, since m_resCounter.avs == 0.
            scalingMode = VPHAL_SCALING_AVS;
            --m_resCounter.avs;
        }
    }

    // Fails if any of the limits are reached
    // Output structure has reason why failed :-)
    // multi-passes if rotation is not the same as Layer 0 rotation
    // single pass if Primary layer needs rotation and remaining layer does not need rotation
    if (m_resCounter.layers   < 0 ||
        m_resCounter.palettes < 0 ||
        m_resCounter.procamp  < 0 ||
        m_resCounter.lumaKeys < 0 ||
        m_resCounter.avs      < 0 ||
        m_resCounter.sampler == 0)
    {
        //Multipass
        bSkip = true;
        VP_PUBLIC_NORMALMESSAGE("Scaling Info: layer %d is not selected. layers %d, palettes %d, procamp %d, lumaKeys %d, avs %d, sampler %d",
            index, m_resCounter.layers, m_resCounter.palettes, m_resCounter.procamp, m_resCounter.lumaKeys, m_resCounter.avs, m_resCounter.sampler);
        return MOS_STATUS_SUCCESS;
    }

    VP_PUBLIC_NORMALMESSAGE("Scaling Info: scalingMode %d is selected for layer %d", scalingMode, index);
    MT_LOG2(MT_VP_HAL_FC_SCALINGINFO, MT_NORMAL, MT_VP_HAL_FC_LAYER, index, MT_VP_HAL_SCALING_MODE, scalingMode);

    // Append source to compositing operation
    scaling->GetSwFilterParams().scalingMode = scalingMode;

    if (di)
    {
        di->GetSwFilterParams().sampleTypeInput = sampleType;
    }

    input.SampleType = sampleType;
    layerIndexes.push_back(index);

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS PolicyFcHandler::RemoveTransparentLayers(SwFilterPipe& featurePipe)
{
    for (uint32_t i = 0; i < featurePipe.GetSurfaceCount(true); ++i)
    {
        SwFilterSubPipe *subpipe = featurePipe.GetSwFilterSubPipe(true, i);

        auto blending = dynamic_cast<SwFilterBlending *>(featurePipe.GetSwFilter(true, i, FeatureTypeBlending));
        if (nullptr == blending)
        {
            continue;
        }

        auto &param = blending->GetSwFilterParams();

        //-----------------------------------
        // Alpha blending optimization.
        // If Constant blending and one of the following is true, disable blending.
        // If Src+Constant blending and one of the following is true, fall back to Src blending.
        // Condition; alpha <= 0. Layer is 100% transparent.
        // Condition; alpha >= 1. Layer is 100% opaque.
        //-----------------------------------
        if (param.blendingParams &&
            ((param.blendingParams->BlendType == BLEND_CONSTANT) ||
             (param.blendingParams->BlendType == BLEND_CONSTANT_SOURCE) ||
             (param.blendingParams->BlendType == BLEND_CONSTANT_PARTIAL)))
        {
            float fAlpha = param.blendingParams->fAlpha;

            // Don't render layer with alpha <= 0.0f
            if (fAlpha <= 0.0f)
            {
                VP_PUBLIC_NORMALMESSAGE("Layer %d skipped: BlendType %d, fAlpha %d",
                    i,
                    param.blendingParams->BlendType,
                    param.blendingParams->fAlpha);
                VP_PUBLIC_CHK_STATUS_RETURN(featurePipe.DestroySurface(true, i));
            }
        }
    }
    featurePipe.Update();

    return MOS_STATUS_SUCCESS;
}

MOS_STATUS PolicyFcHandler::LayerSelectForProcess(std::vector<int> &layerIndexes, SwFilterPipe& featurePipe, VP_EXECUTE_CAPS& caps)
{
    layerIndexes.clear();
    m_resCounter.Reset(m_hwCaps.m_rules.isAvsSamplerSupported);

    VP_PUBLIC_CHK_STATUS_RETURN(RemoveTransparentLayers(featurePipe));

    bool skip = false;
    VP_SURFACE *output = featurePipe.GetSurface(false, 0);
    bool bilinearInUseFor3DSampler = false;
    VP_PUBLIC_CHK_NULL_RETURN(output);

    for (uint32_t i = 0; i < featurePipe.GetSurfaceCount(true); ++i)
    {
        VPHAL_SCALING_MODE scalingMode = VPHAL_SCALING_NEAREST;
        VP_SURFACE *input = featurePipe.GetSurface(true, i);
        SwFilterSubPipe *subpipe = featurePipe.GetSwFilterSubPipe(true, i);
        VP_PUBLIC_CHK_NULL_RETURN(input);
        VP_PUBLIC_CHK_NULL_RETURN(subpipe);
        VP_PUBLIC_CHK_STATUS_RETURN(AddInputLayerForProcess(skip, layerIndexes, scalingMode, i, *input, *subpipe, *output, caps));
        if (skip)
        {
            break;
        }

        if (VPHAL_SCALING_BILINEAR == scalingMode)
        {
            bilinearInUseFor3DSampler = true;
        }
    }

    // Use bilinear for layers, which is using nearest.
    if (s_forceNearestToBilinearIfBilinearExists && bilinearInUseFor3DSampler)
    {
        for (uint32_t i = 0; i < layerIndexes.size(); ++i)
        {
            SwFilterSubPipe *subpipe = featurePipe.GetSwFilterSubPipe(true, layerIndexes[i]);
            VP_PUBLIC_CHK_NULL_RETURN(subpipe);
            SwFilterScaling *scaling = dynamic_cast<SwFilterScaling *>(subpipe->GetSwFilter(FeatureType::FeatureTypeScaling));
            if (scaling && VPHAL_SCALING_NEAREST == scaling->GetSwFilterParams().scalingMode)
            {
                scaling->GetSwFilterParams().scalingMode = VPHAL_SCALING_BILINEAR;
                VP_PUBLIC_NORMALMESSAGE("Scaling Info: Force nearest to bilinear for layer %d (%d)", layerIndexes[i], i);
                MT_LOG3(MT_VP_HAL_FC_SCALINGINFO, MT_NORMAL, MT_VP_HAL_FC_LAYER, layerIndexes[i], MT_VP_HAL_SCALING_MODE, VPHAL_SCALING_NEAREST, MT_VP_HAL_SCALING_MODE_FORCE, VPHAL_SCALING_BILINEAR);
            }
        }
    }

    // No procamp in target being used.
    return MOS_STATUS_SUCCESS;
}
}
